Developer Tools · head to head
ESLint vs Sigstore
Sigstore
Cybersecurity
Free public signing and transparency infrastructure for open source artifacts
- From
- Free
- Free plan
- Yes
The short version
- Each has a real cost: ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome; Sigstore the security model depends on somebody watching the log. The documentation states that compromise of an identity provider or of Fulcio itself is detectable only if third parties monitor the transparency log, the monitoring tool is a community-tier rather than core project, and almost no consumer runs one.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which ESLint and Sigstore actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in ESLint
Nothing recorded that Sigstore does not also cover.
Only in Sigstore
- Fulcio
- Rekor
- Keyless signing
- Multi-language clients
- Timestamp authority
- Neutral governance
What people use each for
The jobs each tool is most often brought in to do.
ESLint
- Statically analysing JavaScript and JSX to find problems before runtimenot Sigstore
- Automatically fixing issues with syntax-aware rewritesnot Sigstore
- Enforcing a consistent code style across a teamnot Sigstore
- Running as a CI step to block non-conforming codenot Sigstore
- Writing custom rules for project-specific conventionsnot Sigstore
Sigstore
- Open source projects signing releases without running a certificate authoritynot ESLint
- Organisations meeting a signed-artifact requirement without buying a signing productnot ESLint
- Publishing provenance that a consumer can verify independently of younot ESLint
- Self-hosting the same components where a public log is unacceptablenot ESLint
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
ESLint
- Slow performance on large codebases compared to newer tools like Oxlint and Biome
- Complexity in configuration from scratch, particularly for TypeScript support
- Limited built-in TypeScript support, requiring separate parsers and coordination with new TypeScript features
Sigstore
- The security model depends on somebody watching the log. The documentation states that compromise of an identity provider or of Fulcio itself is detectable only if third parties monitor the transparency log, the monitoring tool is a community-tier rather than core project, and almost no consumer runs one.
- It is a 99.5 percent objective with no service level agreement, which permits several hours of downtime a month and offers no remedy. A pipeline that signs on every build has taken a hard dependency on a free service with no contract behind it.
- Log scale is a live engineering problem rather than a theoretical one. The active shard holds billions of entries, the log has already been sharded twice, and sharding version 1 requires stopping traffic, which is why a replacement was built.
- Ten-minute certificates make trust depend on log availability. Verifying an older signature relies on the log entry proving it was made inside that window, so a lost or unreachable entry can render a valid artifact unverifiable.
- Migration debt is substantial and ongoing. Version 2 of the log is generally available but not the public default, the signing client has an announced breaking release ahead, some official clients lag the new log format, and a post-quantum migration is named as the next break after that.
Pricing, plan by plan
ESLint
FreeNo published plan breakdown. See the ESLint review.
Sigstore
Free- Public good instanceFree
- Free to everyone with no contract
- 99.5 percent availability objective, not an agreement
- 100KB cap per attestation upload
- Self-hostedFree
- Apache-2.0
- Run your own Fulcio and Rekor
- Rekor v2 available for self-hosters
Which should you pick?
Choose ESLint if
- You want to start without paying.
- You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
Choose Sigstore if
- You need fulcio.
- You want to start without paying.
- You work on Web, Linux, macOS, Windows, Self-hosted.
- You also want rekor.
Questions people ask
- Is ESLint or Sigstore better?
- Neither clearly leads. ESLint starts at Free and Sigstore at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ESLint or Sigstore?
- ESLint starts at Free and Sigstore at Free.
- Does ESLint or Sigstore run on more platforms?
- ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment. Sigstore runs on Web, Linux, macOS, Windows, Self-hosted.
- Can I use ESLint for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is ESLint best used for?
- ESLint is most often used for statically analysing javascript and jsx to find problems before runtime, automatically fixing issues with syntax-aware rewrites, enforcing a consistent code style across a team, running as a ci step to block non-conforming code. Of those, statically analysing javascript and jsx to find problems before runtime and automatically fixing issues with syntax-aware rewrites are not what Sigstore is typically brought in for.
- What can ESLint do that Sigstore cannot?
- Sigstore covers Fulcio, Rekor, Keyless signing, Multi-language clients.
Answered from the vendors’ own pages
ESLint: Does ESLint automatically fix code issues?
Many problems ESLint finds can be automatically fixed via the --fix flag. ESLint fixes are syntax-aware so you won't experience errors introduced by traditional find-and-replace algorithms.
SourceSigstore: Is the public instance really free?
Yes, with no contract and no paid tier. That is also the weakness: a 99.5 percent objective with no agreement, no remedy and support through Slack.
ESLint: How much does ESLint cost?
ESLint is completely free and open-source software maintained by the OpenJS Foundation. The project accepts voluntary donations from sponsors.
SourceSigstore: Has the public log moved to Rekor v2?
No. Version 2 reached general availability in October 2025 and self-hosters can use it, but the public instance still defaults to version 1 and the project has said it will for the foreseeable future.
ESLint: Can I write custom ESLint rules?
Yes. You can develop custom rules that work alongside built-in functionality through ESLint's plugin system, allowing complete customization for your project needs.
SourceSigstore: Does Sigstore make my dependencies safe?
No, and this is a category error worth avoiding. It tells you who published something. It has no knowledge of what the artifact contains or whether it is vulnerable.
Sigstore: What are the rate limits?
Not published. Only the 100KB cap per attestation upload is documented, so do not design a high-volume pipeline around assumed throughput.
Sigstore: Should we self-host it?
If a public record of every signature is unacceptable, or if a free service with no agreement cannot sit in your build path, then yes. Otherwise the public instance is what most projects use.
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- Sigstore vs Deno
- Sigstore vs Fig
- Sigstore vs Vite
- Sigstore vs Harness
- Sigstore vs Ansible
- Sigstore vs Buildkite
- Sigstore vs Argo CD
- Sigstore vs GitLab CI/CD
- Sigstore vs HCP Terraform
- Sigstore vs Helm
- Sigstore vs Earthly
- Sigstore vs Eclipse IDE
- Sigstore vs Moonrepo
- Sigstore vs Nx Cloud
- Sigstore vs Pants Build
- Sigstore vs Cosign
- Sigstore vs Syft
- Sigstore vs Logto
- Sigstore vs Infisical
- Sigstore vs Chainguard
- Sigstore vs Ory
- Sigstore vs OWASP ZAP
- Sigstore vs Bitwarden
- Sigstore vs Semgrep
- Sigstore vs Trivy
- Sigstore vs authentik
- Sigstore vs Authelia
- Sigstore vs Resolver
- Sigstore vs Saviynt
- Sigstore vs Securiti
- Sigstore vs Speakeasy
- Sigstore vs Sysdig
- Sigstore vs Tenable